body {
    background: #f4f5f7;
    color: #0f172a;
    font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    margin: 0;
    min-height: 100vh;
}

.panel {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.form-control,
.form-select {
    border-radius: 8px;
    border-color: #d1d5db;
}

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(17, 24, 39, 0.15);
    border-color: #111827;
}

.btn {
    border-radius: 8px;
    padding: 0.5rem 1rem;
}

.btn-dark {
    background: #111827;
    border-color: #111827;
}

.btn-dark:hover {
    background: #0b1220;
    border-color: #0b1220;
}

.room-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 12px;
}

.room-status-grid .label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #6b7280;
}

.room-status-grid .value {
    font-weight: 600;
    margin-top: 4px;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(13, 28px);
    grid-template-rows: repeat(11, 28px);
    gap: 4px;
    justify-content: center;
}

.game-cell {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.cell-solid {
    background: #111827;
    border-color: #111827;
}

.cell-breakable {
    background: #cbd5f5;
    border-color: #94a3b8;
}

.cell-powerup {
    border: 1px dashed #0f172a;
}

.cell-bomb::after {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #111827;
    display: block;
}

.cell-explosion {
    background: #111827;
    color: #fff;
}

.player-chip {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    color: #fff;
}

.player-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #e5e7eb;
}

.player-list-item:last-child {
    border-bottom: none;
}

/* Background Animations */
.bg-animations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    filter: blur(80px);
    animation: move 20s infinite alternate cubic-bezier(0.45, 0, 0.55, 1);
}

.blob-1 { 
    top: -10%; 
    left: -10%; 
    background: rgba(238, 119, 82, 0.4); 
}

.blob-2 { 
    bottom: -10%; 
    right: -10%; 
    background: rgba(35, 166, 213, 0.4); 
    animation-delay: -7s; 
    width: 600px;
    height: 600px;
}

.blob-3 { 
    top: 40%; 
    left: 30%; 
    background: rgba(231, 60, 126, 0.3); 
    animation-delay: -14s; 
    width: 450px;
    height: 450px;
}

@keyframes move {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    33% { transform: translate(150px, 100px) rotate(120deg) scale(1.1); }
    66% { transform: translate(-50px, 200px) rotate(240deg) scale(0.9); }
    100% { transform: translate(0, 0) rotate(360deg) scale(1); }
}

.header-link {
    font-size: 14px;
    color: #fff;
    text-decoration: none;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.header-link:hover {
    background: rgba(0, 0, 0, 0.4);
    text-decoration: none;
}

/* Admin Styles */
.admin-container {
    max-width: 900px;
    margin: 3rem auto;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    border: 1px solid rgba(255, 255, 255, 0.4);
    position: relative;
    z-index: 1;
}

.admin-container h1 {
    margin-top: 0;
    color: #212529;
    font-weight: 800;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    margin-top: 1.5rem;
}

.table th {
    background: transparent;
    border: none;
    padding: 1rem;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.table td {
    background: #fff;
    padding: 1rem;
    border: none;
}

.table tr td:first-child { border-radius: 12px 0 0 12px; }
.table tr td:last-child { border-radius: 0 12px 12px 0; }

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    background: #fff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: #23a6d5;
    box-shadow: 0 0 0 3px rgba(35, 166, 213, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-links {
    display: flex;
    gap: 1rem;
}

.admin-card {
    background: rgba(255, 255, 255, 0.6);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    margin-bottom: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.admin-card h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.btn-delete {
    background: #dc3545;
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
}

.btn-add {
    background: #212529;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 1rem;
}

.btn-save {
    background: #0088cc;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s ease;
}

.webhook-url {
    font-size: 0.85em;
    color: #555;
    margin-top: 0.5rem;
}

.history-table-container {
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.4);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.history-table {
    width: 100%;
}

.history-table-time {
    width: 15%;
    white-space: nowrap;
    font-size: 0.85em;
    color: #555;
}

.history-table-user {
    width: 35%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    padding: 8px;
}

.history-table-ai {
    width: 50%;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    padding: 8px;
}

.no-messages {
    text-align: center;
    color: #777;
}